1997 Ithaca Precipitation Summary
All values are in inches
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Monthly Totals |
0.87 |
1.67 |
2.18 |
1.40 |
2.78 |
3.90 |
2.89 |
2.15 |
3.22 |
1.26 |
4.59 |
3.25 |
30.16 |
| Departures from Normal |
-0.95 |
-0.33 |
-0.09 |
-1.51 |
-0.53 |
0.13 |
-0.56 |
-1.29 |
-0.31 |
-1.99 |
1.51 |
0.68 |
-5.24 |
| Monthly Pct of Normal |
48% |
84% |
96% |
48% |
84% |
103% |
84% |
63% |
91% |
39% |
149% |
126% |
85% |
| |
| 10th Percentile |
0.74 |
0.73 |
1.13 |
1.53 |
1.59 |
1.92 |
1.51 |
2.04 |
1.61 |
1.10 |
1.59 |
1.24 |
28.76 |
| 30th Percentile |
1.22 |
1.27 |
1.66 |
2.19 |
2.39 |
2.80 |
2.39 |
2.74 |
2.49 |
2.00 |
2.30 |
1.86 |
32.43 |
| Normal (1961-90) |
1.82 |
2.00 |
2.27 |
2.91 |
3.31 |
3.77 |
3.45 |
3.44 |
3.53 |
3.25 |
3.08 |
2.57 |
35.40 |
| 70th Percentile |
2.19 |
2.41 |
2.67 |
3.39 |
3.88 |
4.42 |
4.11 |
3.95 |
4.19 |
3.94 |
3.61 |
3.03 |
38.00 |
| 90th Percentile |
3.14 |
3.55 |
3.60 |
4.49 |
5.28 |
5.90 |
5.76 |
5.03 |
5.81 |
5.93 |
4.81 |
4.13 |
42.40 |
| |
| Annual Running Total |
0.87 |
2.54 |
4.72 |
6.12 |
8.90 |
12.80 |
15.69 |
17.84 |
21.06 |
22.32 |
26.91 |
30.16 |
|
| Running Departure |
-0.95 |
-1.28 |
-1.37 |
-2.88 |
-3.41 |
-3.28 |
-3.84 |
-5.13 |
-5.44 |
-7.43 |
-5.92 |
-5.24 |
|
| Running Normal |
1.82 |
3.82 |
6.09 |
9.00 |
12.31 |
16.08 |
19.53 |
22.97 |
26.50 |
29.75 |
32.83 |
35.40 |
|
Normals and percentiles are based on the period 1961-1990.
Graph of accumulated precipitation departure
21-January-1998
Keith L. Eggleston (kle1@cornell.edu)
Northeast Regional Climate Center